The primary focus of a persuasive speech is to persuade, be it a product or an event. Persuasion is necessary to encourage people to be interested in what you are talking about.
The answer is D. To create a way to exchange data between research computers. It's easier to email data then try to send it in the mail, mostly because that takes longer and birds aren't used as a mode of mail transportation anymore
1. He is the oldest of all his brothers.
2. My dress is brighter than yours.
3. He is the wisest of all the boys in the class.
4. Ritu is better than Saksshi in Maths.
5. She is senior to me. (Not sure on this one)
6. This lesson is more interesting than the previous one.
7. He is stronger than I imagined.
8. Your handwriting is improving from good to greater with each passing day.
simple future tense of walk = will walk
simple past tense of play = played
simple present tense of grew = growing